Estimation errors in the inputs are the main problem when applying portfolio analysis, and Markov regime switching models have been shown to reduce these errors. We investigate whether the use of two regime models remains superior across a range of values of risk aversion and transaction costs,...

The article analyses the impact of trading costs on the profitability of momentum strategies in the UK and concludes that losers are more expensive to trade than winners. The observed asymmetry in the costs of trading winners and losers crucially relates to the high cost of selling loser stocks...

This study considers the relationship between trading volumes, transactions costs, and the profitability of momentum strategies using data from the UK. We demonstrate that round-trip transactions costs for selling loser firms are around double those of buying winners, and in particular, the...